CN103429485B - The securing plate of car door B column - Google Patents

The securing plate of car door B column Download PDF

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Publication number
CN103429485B
CN103429485B CN201280014095.1A CN201280014095A CN103429485B CN 103429485 B CN103429485 B CN 103429485B CN 201280014095 A CN201280014095 A CN 201280014095A CN 103429485 B CN103429485 B CN 103429485B
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CN
China
Prior art keywords
column
car door
metal slabs
region
plate thickness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
CN201280014095.1A
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Chinese (zh)
Other versions
CN103429485A (en
Inventor
安德里亚斯·布什
赫塞尔·范·迪克
克里斯·柯蒂斯
雷纳·库伊克
托马斯·W·米勒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Muhr und Bender KG
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Ford Global Technologies LLC
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Filing date
Publication date
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Publication of CN103429485A publication Critical patent/CN103429485A/en
Application granted granted Critical
Publication of CN103429485B publication Critical patent/CN103429485B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/04—Door pillars ; windshield pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/208—Deep-drawing by heating the blank or deep-drawing associated with heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/06—Making more than one part out of the same blank; Scrapless working
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/007—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of special steel or specially treated steel, e.g. stainless steel or locally surface hardened steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/005—Processes combined with methods covered by groups B21D1/00 - B21D31/00 characterized by the material of the blank or the workpiece
    • B21D35/006—Blanks having varying thickness, e.g. tailored blanks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49616—Structural member making
    • Y10T29/49622—Vehicular structural member making

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Body Structure For Vehicles (AREA)
  • Metal Rolling (AREA)

Abstract

The present invention relates to the securing plate (1) of the car door B column of a kind of body of a motor car, it includes a hot formed poor slab and the whole height of its extension car door B column, and there is on the differing heights of car door B column different plate thickness, wherein the region (3 9) of different plate thickness is symmetrical in plank thickness region (6) layout on the height of car door B column, and the present invention relates to the method for manufacturing corresponding securing plate.

Description

The securing plate of car door B column
The present invention relates to a kind of securing plate of the car door B column of body of a motor car, it includes that the poor slab of a thermoforming (rolls Varying Thickness Plates processed) and its extend the whole height of car door B column and have different on the differing heights of car door B column Plate thickness.
The car door B column great majority of body of a motor car include a shell, and it usually forms one with lateral frame, and it is simultaneously At least form a part for threshold, top-side framework, A column and perhaps C column, such as in Fig. 1 of EP1 621 453A2 Illustrate.
This shell is included a sheet material the thinnest due to weight reasons and in order to improve plasticity.But in order to Reinforce door hinge and door lock and the highest strong in order to protect passenger door B column to have when sideways collisions Degree.
Having a securing plate for this car door B column, it extends the whole height of car door B column.This is reinforced by this The requirement of plate is not the biggest in the range of all.The bottom that so securing plate connects threshold at car door B column only must meet phase To relatively low requirement of strength and hardness requirement, and in top half, the requirement of securing plate is mainly higher, in order to ensure, in side During the collision of face, car door B column deforms the least in passenger carriage.
There is known a kind of securing plate of the car door B column of body of a motor car from EP1 912 849B1, it includes a shaping Poor slab, wherein securing plate extends the whole height of car door B column, and securing plate includes the poor slab of a thermoforming, It has different plate thickness on the differing heights of car door B column.
The English of Tailored Blank(tailor welded) it is metal slabs, it is by different quality of materials and plate thickness Constitute.This prefabricated blank is the most such as configured to desired component by deep-draw.The development of tailor welded mainly for Manufacturing metal slabs, it makes any thickness distribution of different materials or quality of materials and/or is combined into possibility.This also makes the later stage The diverse location of parts is suitable for localised load and is possibly realized, and otherwise this needs additional reinforcement feature.Advantage is to alleviate weight And saved producing cost.
Difference slab (TRB) is the most cold rolling for lath as the special shape of tailor welded, wherein by rolling up and down Lath produces different plate thickness.Advantage is that transition uniformly and does not has seam on lath between two thickness.
The securing plate of the car door B column that by such poor slab manufacture corresponding to this can be at the differing heights of car door B column On there is different plate thickness.Therefore can be thick especially in the region that intensity and hardness are had special high request, and only Meeting accordingly can be relatively thin compared with the region of low-intensity and hardness requirement.Thus can meet in each district with only one securing plate The different requirements in territory.On the other hand this securing plate is not that each place is thick with as required by peak demand region.
Certainly the intensity optimized further for improving occupant protection further it also is intended to.Simultaneously in difference slab method by Being positioned at leftover bits and pieces of a relatively high on lath in metal slabs particularly pertinent, such manufacturing expense is the highest.
Therefore the task of the present invention is to provide a securing plate according to classification, and it optimizes about intensity and simultaneously Can the most inexpensively produce.
Solved by the securing plate described in claim 1 and method according to claim 6, manufacture securing plate This task.
Thus the region of different plate thickness is symmetrical in the region of plank thickness and is arranged on the height of car door B column, Good intensity also is able to combine with reducing weight.In addition it also is able to when manufacturing securing plate so optimize slab cutting, i.e. produces A small amount of leftover bits and pieces also the most efficiently produces.
Drawing from the research of applicant, the stock utilization of lath can bring up to from 48% in determined circumstances 66%。
To this, plank thickness region is disposed approximately in waist height is rational, because waist is later stage car door B column Such region, exist in this region higher accident hazard and from this region to entrance door B column generally for more preferably The visual field and spindle.
If the bottom that securing plate connects threshold at car door B column is not that the antimeric part of plate thickness (sees below Face), then draw the particularly preferred optimization that lath utilizes.
In a preferred implementing form, between the thinnest and the thickest region, the maximum differential of plate thickness change is 50%.? Car door B column connects the bottom plate thickness of threshold and is more preferably less than 1.5mm.Also, it is preferred that at the thickest zone plate thickness more than 2mm.Special Not preferably minimum plate thickness is 1.35mm and plank thickness is 2.7mm.
The present invention also comprise one for the method manufacturing vehicle body plate, it is used in particular for the car door according to aforementioned claim B column securing plate, wherein produces the region (difference slab method) of different plate thickness, from this lath on a lath by rolling In be punched out the metal slabs with different plate thickness region, finally these metal slabs hot forming in a press, in order to shape Become car body panel (1), the method is characterized in that, two metal slabs on automobile left side and right side in lath from rolling direction See skew, adjoin and phase antidirection finding.Therefore it is better suited for required by car body panel in thickness distribution when cutting metal slabs Points hardness while significantly reduce the leftover bits and pieces of lath.
But if being punched out two metal slabs with very similar mirror image profile from lath, then the method is special The most effective.The most this situation, i.e. manufactures right side and the left side plate of body of a motor car, because both parts mainly symmetrical structure Make, say, that right side and left-hand side part mirror image are seen essentially identical.These metal slabs are adjoined arranged offset show, at clipboard Although slab is seen in the rolling direction and adjoined layout during bar, but the end of two metal slabs sees that skew is really in the rolling direction Fixed value.Contrary layout shows, metal slabs are positioned opposite at pressing direction upper top.First the metal of Automobile Plate Slab can be reduced from lath and fall or stamping-out falls a small amount of leftover bits and pieces, and this lath has irregular edge, particularly in pressure The look up width of metal slabs of system side has deviation.
The pressing direction of two metal slabs the most so offsets, i.e. same plate thickness on mirror metal slabs Region be identical.Therefore about its length, there is identical thickness distribution about two car body panel.
Preferably two metal slabs of car door B column securing plate so offset from each other layout, i.e. car door B column connection threshold , the bottom symmetrical of respective metal slabs arranges and the two being arranged symmetrically with in appearance at two metal slabs.Therefore car door B The widest bottom section of column securing plate almost occupies the whole width of lath, and adjoins at two, remaining region metal slabs It is arranged on lath.It is it is particularly advantageous that the end of i.e. metal slabs that these two metal slabs so offset from each other layout Portion is adjacent with the top of another metal slabs.
This is particularly efficient, and i.e. two metal slabs mutually reverse about 180 degree and arrange and the most mutually go back this So arranged offset, i.e. car door B column connect threshold, respective metal slabs bottom symmetrical layout and the two is at two gold Belong to being arranged symmetrically with in appearance of lath.
Then metal slabs interlaced arrangement, and realize higher material use.So can roll two metals simultaneously Slab.
The other details of invention, feature and advantage are given from the embodiment below according to accompanying drawing describes.
Fig. 1 is the perspective diagram of car door B column securing plate；And
Fig. 2 is the diagrammatic top view of the lath with two metal slabs wanting cutting.
Fig. 1 indicates the perspective diagram of the car door B column securing plate 1 of the present invention, by according to differing from slab method with not Stack pile rolling lath manufactures this securing plate, lath 2 Blanking Shaping be metal slabs and this metal slabs connect down It is thermoformed into securing plate.
Securing plate 1 comprises the region 3-9 of different plate thickness, and these regions are on the height of car door B column or securing plate The region 6 being symmetrical in plank thickness is arranged.
Securing plate 1 comprise one-in terms of the installation site of car door B column-base flange 2, car door B column is with this flange even Being connected on threshold, this flange is different from the region 3-9 that symmetrical plate thickness region 6 is arranged.
Securing plate 1 be arranged symmetrically with that region comprises a region 3 disposed below, it adjoins base flange 2, and comprise One top flange 9, car door B column is connected on roof frame with this flange, region 3 and flange 9 have identical plate thickness.
Arranging the Two Areas 4 and 8 of such plate thickness the most inwards, it slightly becomes compared with the plate thickness in region 3 and 9 Little, and also arrange two other regions 5 and 7 of such plate thickness the most again, its plate thickness phase with region 4 and 8 Ratio dramatically increases and is slightly increased compared with region 3 and 9, arranges the region 6 of plank thickness between this Two Areas, its It is roughly equivalent to waist.
The flange 2 leading to threshold is extremely thin, and plate thickness only 1.35mm.Two Areas 3,9 thin rolling and thickness of slab Degree is 2.3mm.The plate thickness in region 4,8 is 2.1mm and the plate thickness in region 5,7 is 2.4mm.The thickness of slab in the thickest region 6 Degree is 2.7mm.
Indicate the diagrammatic top view of the lath 10 with two metal slabs 1A and 1B to be reduced, this figure in fig. 2 With thickness distribution curve 11(altitude line) chart represent with mm in length L() upper superposition plate thickness D(represents with mm), at this Chart can intuitively being found out, plate thickness region 3-9 is symmetrical in region 6 and arranges again.
It can be seen that metal slabs 1A, the 1B in later stage are adjacently positioned and mutually so close in lath 10, i.e. for For two adjacent metal slabs 1A, 1B, the layout in the region 6 that different plate thickness region 3-9 are symmetrical in plank thickness is closed Height in car door B column is identical.
Two metal slabs 1A and 1B have basic configuration for right side and left side car door B column securing plate.The two is each other Phase detorsion about 180 degree is arranged and in rolling direction W of lath 10, the most so arranged offset, i.e. car door B is vertical simultaneously Post connect threshold, the bottom section 2 of respective metal slabs be not the part that plate thickness is arranged symmetrically with.This region due in order to Preferably make car door B column be connected firmly to shaping area on threshold relatively big, the most almost occupy the whole width of lath 10 Degree.
In addition the bottom section 2 of two metal slabs 1A, 1B mutually so arranged offset, i.e. a metal slabs 1A is with another The top 9 of one metal slabs 1B is adjacent, so the two being arranged symmetrically with in appearance at two metal slabs 1A, 1B once again, as This lath 10 rolling direction W about the thickest region and against have in rolling direction symmetry thickness distribution.
Reference
1A, 1B metal slabs
1 car door B column securing plate
2 flanges, the thinnest region
The region of 3-9 difference plate thickness
6 plank thickness regions
10 laths
11 thickness distribution curves
L length
D plate thickness
B width of sheet
W rolling direction

Claims (9)

1. the securing plate (1) of the car door B column of body of a motor car, it includes a hot formed poor slab and its extension car door B The whole height of column, and there is on the differing heights of car door B column different plate thickness,
It is characterized in that,
The region (3-9) of different plate thickness is symmetrical in plank thickness region (6) on the height of car door B column and arranges；Different Plate thickness region (3-9) each has two metal slabs, and metal slabs offset from rolling direction in lath, adjoin also And phase antidirection finding.
Securing plate the most according to claim 1,
It is characterized in that,
The region (6) of plank thickness is disposed approximately in the height of waist.
Securing plate the most according to claim 1 and 2,
It is characterized in that,
The bottom (2) that securing plate (1) connects threshold at car door B column is not the part that plate thickness is arranged symmetrically with.
Securing plate the most according to claim 1 and 2, it is characterised in that
Car door B column connects the plate thickness of the bottom (2) of threshold less than 1.5mm.
Securing plate the most according to claim 1 and 2, it is characterised in that
The plate thickness in the thickest region (6) is more than 2mm.
6., for manufacturing a method for car body panel in automobile, this car body panel is for the car door B according to one of the claims The securing plate (1) of column, wherein produces the region of different plate thickness, stamping-out from this lath in a lath by rolling Go out the metal slabs with different plate thickness region, the finally hot forming in a press of these metal slabs, in order to form vehicle body Plate,
It is characterized in that,
Two metal slabs (1A, 1B) on automobile left side and right side offset from rolling direction in lath, adjoin and phase Antidirection finding.
Method the most according to claim 6, it is characterised in that in the rolling direction of two metal slabs (1A, 1B) such as This skew, i.e. the region of same plate thickness is identical on mirror image metal slabs (1A, 1B).
8. according to the method described in claim 6 or 7, it is characterised in that two metal slabs of the securing plate of car door B column (1A, 1B) the most so arranged offset, i.e. car door B column connects the symmetrical cloth in threshold, respective metal slabs bottom (2A, 2B) Put and the two being arranged symmetrically with in appearance at two metal slabs (1A, 1B).
Method the most according to claim 8, it is characterised in that two metal slabs (1A, 1B) the most so arranged offset, The bottom (2A) of i.e. one metal slabs (1A) is adjacent with the top of another metal slabs (1B) (9B).
CN201280014095.1A 2011-03-23 2012-02-24 The securing plate of car door B column Active CN103429485B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011005977.6 2011-03-23
DE102011005977A DE102011005977A1 (en) 2011-03-23 2011-03-23 Reinforcement plate of a B-pillar
PCT/EP2012/053133 WO2012126697A1 (en) 2011-03-23 2012-02-24 Metal reinforcing sheet for a b pillar

Publications (2)

Publication Number Publication Date
CN103429485A CN103429485A (en) 2013-12-04
CN103429485B true CN103429485B (en) 2016-09-07

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Application Number Title Priority Date Filing Date
CN201280014095.1A Active CN103429485B (en) 2011-03-23 2012-02-24 The securing plate of car door B column

Country Status (6)

Country Link
US (1) US9085323B2 (en)
EP (1) EP2688788B1 (en)
CN (1) CN103429485B (en)
DE (1) DE102011005977A1 (en)
RU (1) RU2598446C2 (en)
WO (1) WO2012126697A1 (en)

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Also Published As

Publication number Publication date
US9085323B2 (en) 2015-07-21
CN103429485A (en) 2013-12-04
RU2598446C2 (en) 2016-09-27
US20140008938A1 (en) 2014-01-09
EP2688788A1 (en) 2014-01-29
RU2013142945A (en) 2015-04-27
EP2688788B1 (en) 2017-04-12
WO2012126697A1 (en) 2012-09-27
DE102011005977A1 (en) 2012-09-27

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